Finding the Fourth Proportional to 135,227.44, 186,629.52 and 81,539.92
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Solution
The fourth proportional to 135,227.44, 186,629.52 and 81,539.92 is: 112,534.53
Step by Step Solution
- Step 1: Write the proportion equation
135,227.44 : 186,629.52 = 81,539.92 : x - Step 2: Convert to fraction form
135,227.44/186,629.52 = 81,539.92/x - Step 3: Cross multiply
135,227.44x = 186,629.52 × 81,539.92 - Step 4: Simplify right side
135,227.44x = 15,217,756,130.44 - Step 5: Solve for x
x = 15,217,756,130.44/135,227.44 - Step 6: Final answer
x = 112,534.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.